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Finding the Fourth Proportional to 6,874.94, 10,313.06 and 1,944.61

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Solution

The fourth proportional to 6,874.94, 10,313.06 and 1,944.61 is: 2,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.94 : 10,313.06 = 1,944.61 : x
  2. Step 2: Convert to fraction form
    6,874.94/10,313.06 = 1,944.61/x
  3. Step 3: Cross multiply
    6,874.94x = 10,313.06 × 1,944.61
  4. Step 4: Simplify right side
    6,874.94x = 20,054,844.10
  5. Step 5: Solve for x
    x = 20,054,844.10/6,874.94
  6. Step 6: Final answer
    x = 2,917.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.